Margaret Sleeps Erratically but When All That Time Is Added

question 148

Multiple Choice

Margaret sleeps erratically but when all that time is added up, she sleeps about 14 hours a day. Based on the research on sleep across the lifespan, Margaret is likely to be _____

• A)elderly.
• B)an adolescent.
• C)in her 30s.
• D)an infant.

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Definitions:

Load Torque

The torque required by a load, the resistance against which a motor or engine works to cause rotational movement.

Armature Resistance

Resistance within the armature of an electric machine, such as a motor or generator, which can affect efficiency and performance by opposing current flow.

Mechanical Rectifier

A device that converts alternating current (AC) into direct current (DC) through mechanical means, historically used before electronic rectifiers became common.

AC

Alternating current, a type of electrical current where the flow of electrons periodically reverses direction.